Finding the Fourth Proportional to 912,201.80, 1,368,302.70 and 576,278.60
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Solution
The fourth proportional to 912,201.80, 1,368,302.70 and 576,278.60 is: 864,417.90
Step by Step Solution
- Step 1: Write the proportion equation
912,201.80 : 1,368,302.70 = 576,278.60 : x - Step 2: Convert to fraction form
912,201.80/1,368,302.70 = 576,278.60/x - Step 3: Cross multiply
912,201.80x = 1,368,302.70 × 576,278.60 - Step 4: Simplify right side
912,201.80x = 788,523,564,332.22 - Step 5: Solve for x
x = 788,523,564,332.22/912,201.80 - Step 6: Final answer
x = 864,417.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.